他们已经拆除所有能够袭击欧洲的战术核导弹。They have removed all tactical nuclear missiles that could strike Europe.步兵团可能会使用打了就跑的战术来阻滞进攻部队。The infantry would use hit and run tactics to slow attacking forces.他重新树立自己地位的机会因教练的战术而流产了。His opportun...
他在他姨母家搭伙.He boarded with his aunt.他昨天晚上去看望了姨母.He went to see his aunt last night.她不禁对这位姨母有些寒心了.She shut up her heart instinctively against her aunt....
At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.在足够的温度和碱度的情况下, 脂护酯可能被水解产生皂类.Incorporating organic material into chalky soils will reduce the alkalinity.在白垩质土壤中添加有机物可降低其碱性...
氢是锌和硫酸反应的生成物.Hydrogen is a product of the reaction between zinc and sulphuric acid.较高的工作电压引起碳生成物的分离.The higher operating voltage causes a breakdown of carbon products.根据不同的反应条件,深入研究并建立及推广了生成物浓度数学模型.By experiment examinat...